P0117 Infiniti Code - Engine Coolant Temperature Circuit Low
Quick Answer
The P0117 Infiniti code indicates that there is an issue with the engine coolant temperature circuit being lower than the normal operating range. Common causes include Faulty engine coolant temperature sensor, Wiring issues or corrosion in the coolant temperature circuit, Low coolant levels or air pockets in the cooling system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0117 Infiniti indicates Engine Coolant Temperature Circuit Low.
- Common causes
- Common causes include Faulty engine coolant temperature sensor, Wiring issues or corrosion in the coolant temperature circuit, Low coolant levels or air pockets in the cooling system.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0117 Infiniti Description
The P0117 Infiniti code indicates that there is an issue with the engine coolant temperature circuit being lower than the normal operating range. The engine coolant temperature sensor is responsible for monitoring the temperature of the coolant in the engine. This information is crucial for the engine control unit (ECU) to adjust fuel delivery and ignition timing to ensure optimal performance and efficiency. When the engine coolant temperature circuit is reading lower than expected, it can lead to a variety of issues that can affect the vehicle's performance and overall operation.
Common Causes of P0117 Infiniti
- Faulty engine coolant temperature sensor
- Wiring issues or corrosion in the coolant temperature circuit
- Low coolant levels or air pockets in the cooling system
- Malfunctioning thermostat
- ECU software issues
Symptoms of P0117 Infiniti
- Check engine light illuminated on the dashboard
- Engine running cooler than normal
- Poor fuel economy
- Rough idling or stalling
- Difficulty starting the engine
How to Fix P0117 Infiniti
- Begin by diagnosing the issue using a diagnostic scanner to confirm the P0117 code and check for any other related codes.
- Inspect the engine coolant temperature sensor and its wiring for any signs of damage or corrosion. Replace the sensor if necessary.
- Check the coolant levels and bleed any air pockets from the cooling system. Ensure that the thermostat is functioning correctly.
- Clear the fault codes from the ECU and perform a test drive to confirm that the issue has been resolved.
- If the problem persists, further troubleshooting may be required to identify any underlying issues with the ECU or other components.
Cost to Fix P0117 Infiniti
The typical repair costs for addressing the P0117 Infiniti code can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates can vary between different auto repair shops, so it's recommended to get a few quotes from local shops to get a more accurate estimate. Additionally, the cost may be higher if the issue requires more extensive repairs or component replacements.
When is the Code Detected?
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Information for Specific Infiniti Models
- P0117 2003 Infiniti G35 — Engine Coolant Temperature Circuit Low
- P0117 2004 Infiniti G35 — Engine Coolant Temperature Circuit Low
- P0117 2005 Infiniti G35 — Engine Coolant Temperature Circuit Low
- P0117 2006 Infiniti G35 — Engine Coolant Temperature Circuit Low
Frequently Asked Questions about P0117 Infiniti Code
1. What are the common symptoms of OBDII code P0117 in an Infiniti?
- Common symptoms include a noticeable decrease in fuel efficiency, engine overheating, rough idling, and dashboard warning lights.
2. What can cause the OBDII code P0117 in an Infiniti?
- The code is typically triggered by a faulty engine coolant temperature sensor, issues with the sensor's wiring or connector, low coolant levels, or a malfunctioning thermostat.
3. How can I diagnose the OBDII code P0117 in my Infiniti?
- You can use a diagnostic scanner to read the code, visually inspect the coolant temperature sensor and its wiring, test the sensor's resistance, and check the coolant level and thermostat.
4. What are some repair tips for fixing the OBDII code P0117 in an Infiniti?
- Repair options include replacing the engine coolant temperature sensor, repairing or replacing damaged wiring, ensuring proper coolant levels, and replacing a faulty thermostat.
5. Can driving with the OBDII code P0117 in an Infiniti cause further damage?
- Continuing to drive with this code may lead to engine overheating, potential damage to engine components, reduced fuel efficiency, and increased emissions.
6. How urgent is it to address the OBDII code P0117 in an Infiniti?
- It is recommended to address this code promptly to prevent potential engine damage, overheating, and to maintain optimal performance and fuel efficiency.
7. Can a DIY enthusiast fix the OBDII code P0117 in an Infiniti?
- Depending on your skill level, you may be able to address this code yourself by following repair guides and using basic tools. However, if unsure, it's best to consult a professional mechanic.
8. How much does it typically cost to repair the OBDII code P0117 in an Infiniti?
- The cost of repairs can vary based on the exact cause of the issue, but it may range from $100 to $300 for parts and labor, excluding diagnostic fees.
9. Will resetting the OBDII code P0117 in an Infiniti make it go away permanently?
- Resetting the code may temporarily clear the warning light, but if the underlying issue is not fixed, the code is likely to reappear once the system detects the problem again.
10. Can extreme weather conditions affect the OBDII code P0117 in an Infiniti?
- Yes, extreme cold or hot weather can potentially impact the engine coolant temperature sensor's readings and trigger the P0117 code. It's important to monitor your vehicle's temperature in such conditions.
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